How Saravá Sales Achieved 17.4% Reply Rate with Aerosend

Laptop with rising bar charts and a donut chart showing 17.4% reply rate

Overview Company: Saravá Sales – B2B outbound & GTM agency (Lisbon & Santiago, Chile) Challenge: Fragile outbound email infrastructure causing deliverability issues, low response rates, and high campaign risk Solution: Switched to Aerosend’s private, pre-warmed infrastructure with real-time monitoring, domain health alerts, and responsive support Campaign Scope Target Region: Chile Audience / ICP: SaaS founders […]

How to Improve Outlook Deliverability and Reach the Inbox

Verified email flying up to the inbox while flagged emails pile up below

This blog breaks down the current state of Outlook email deliverability, providing advanced strategies, crucial test results, and essential workflows to ensure your cold emails bypass the spam folder and consistently land in the target inbox. The core philosophy is clear: deliverability today is a matter of consistency, sophisticated testing, and the implementation of robust […]

Best Email Warm-Up Tools for 2026

Email envelopes interlocked with gears and upward arrows

Most cold emails never reach the inbox. Not because the copy is bad, but because the sender has zero reputation. Email warm-up fixes that by gradually building trust with inbox providers before you scale outbound. But not every warm-up tool works the same way. This guide breaks down what email warm-up actually does, what to […]

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How to Get Your Instantly API Key

Step 1 : Log in to Your Instantly Account

Go to https://app.instantly.ai/auth/login and log in to your account

Step 2 : Navigate to Settings

Click on your profile icon in the bottom-left corner, then select “Settings” from the dropdown menu.

Step 3 : Select Integration

In the Integrations page, click on the “API Keys” tab in the left sidebar.

Step 4 : Get Your API Key with all:read Scope

If you already have an API key with the all:read scope, you can use that key.


If not, click the “Create API Key” button, select the all:read scope, and make sure to save your new API key somewhere safe.

How to Get Your Smart Lead API Key

Step 1 : Log in to Your Smart Lead Account

Go to https://app.smartlead.ai/login account and log in to your account

Step 2 : Navigate to Settings

Click on the “Settings” option in the top right corner profile icon.

Step 3 : Select API Integration

In the Settings page, under your profile picture, you can see the SmartLead API Key.

Step 4 : Generate Your API Key

If you already have an API key displayed, you can use that key. If not, click the “Generate API Key” button to create a new one.